IP Library › Granted Patent US 1,029,041
Granted Patent S1
US 1,029,041 · App. 29/779,895 · Granted May 28, 2024

Duo-propeller

Inventor: Gregory C. Sharrow (Grosse Pointe Park, MI)
Assignee: Sharrow Engineering LLC
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Quick Facts
Patent No.
US 1,029,041
App. No.
29/779,895
Granted
May 28, 2024
Kind
S1
Claims (1)

I claim the ornamental design for a duo-propeller, as shown and described.

Assignments (5)
SECURITY INTEREST Recorded Oct 15, 2025
From: SHARROW ENGINEERING INC.
To: BLADES AND WAVES, LLC
Reel/Frame 072575/0470 →
ENTITY CONVERSION Recorded Oct 15, 2025
From: SHARROW ENGINEERING, LLC
To: SHARROW ENGINEERING INC.
Reel/Frame 073078/0744 →
SECURITY INTEREST Recorded Mar 10, 2025
From: SHARROW ENGINEERING, LLC
To: BLADES AND WAVES, LLC
Reel/Frame 070455/0825 →
ASSIGNEE'S CHANGE OF ADDRESS Recorded Apr 9, 2024
From: SHARROW ENGINEERING LLC
To: SHARROW ENGINEERING LLC
Reel/Frame 067044/0007 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 23, 2022
From: SHARROW, GREGORY C.
To: SHARROW ENGINEERING LLC
Reel/Frame 060294/0190 →